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Tool with coating film and manufacturing method thereof

A manufacturing method and cutting tool technology, which are applied to coated cutting tools and their manufacturing fields, can solve the problems of poor bonding force between the coating and the substrate, poor wear resistance, etc. Effect

Inactive Publication Date: 2015-10-21
WUHAN SUPOR COOKWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to provide a cutting tool with a coating and its preparation method to solve the problems of poor wear resistance of the cutting tool and poor bonding force between the coating and the substrate in the prior art

Method used

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  • Tool with coating film and manufacturing method thereof
  • Tool with coating film and manufacturing method thereof
  • Tool with coating film and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] In this embodiment, a coated kitchen knife is produced, and the production process is as follows:

[0050] Step 1. Provide the substrate

[0051] 1. Blade stamping, the base material is 3Cr13 martensitic stainless steel;

[0052] 2. Conventional heat treatment for the blade: quenching temperature 1050°C, heating for 50 minutes, cooling for 70 minutes; tempering temperature 150-230°C, heat preservation for 2-3 hours;

[0053] 3. The blade is obliquely ground, sharpened and aligned;

[0054] Step 2. Remove oil and oxide impurities on the surface of the substrate

[0055] 1. The blade is pre-cleaned, and the cleaning method is ultrasonic vibration cleaning. Use ethanol to vibrate and wash for many times to remove the dirt on the surface of the blade, and then dry it after vibrating for many times.

[0056] 2. Use high pressure N 2 The air gun blows the blade directly to prevent the suspended particles in the air from adhering to the surface of the blade.

[0057] 3. ...

Embodiment 2

[0062] In this embodiment, a coated kitchen knife is produced, and the manufacturing process is the same as that in Example 1, the differences are as follows:

[0063] Step 3. Double-sided coating on the blade edge

[0064] Put the blade into a vacuum chamber, and use graphite and titanium targets to deposit amorphous carbon film and Ti ions by FCVA method. The angle between the substrate and the ion source is 45°, the ion beam energy is 600eV, and the beam current is 2.5mA / cm 2 , elbow current 8A, deposition bias -110V, deposition speed 300s, deposition thickness 12.36nm, take a cross-section along the thickness direction of the edge of the hydrogen-free amorphous carbon film away from the blade, and the distance between the tip of the blade and the cross-section is 10mm.

[0065] The parameters of the finally formed hydrogen-free amorphous carbon film are shown in Table 1.

Embodiment 3

[0067] In this embodiment, a coated kitchen knife is produced, and the manufacturing process is the same as that in Example 1, the differences are as follows:

[0068] Step 3. Double-sided coating on the blade edge

[0069] Put the blade into a vacuum chamber, and use graphite and titanium targets to deposit amorphous carbon film and Ti ions by FCVA method. The angle between the matrix and the ion source is 41°, the ion beam energy is 580eV, and the beam current is 2.6mA / cm 2 , elbow current 8A, deposition bias -100V, deposition speed 300s, deposition thickness 12.36nm, take a cross-section in the thickness direction along the edge of the hydrogen-free amorphous carbon film away from the blade, and the distance between the tip of the blade and the cross-section is 10mm.

[0070] The parameters of the finally formed hydrogen-free amorphous carbon film are shown in Table 1.

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Abstract

The invention discloses a tool with a coating film and a manufacturing method thereof. The tool comprises a base body, wherein a Ti-doped hydrogen-free amorphous carbon film is arranged on at least part of the surface of the base body, and the doping amount of Ti is 6-25% of the total weight of the Ti-doped hydrogen-free amorphous carbon film. According to the tool with the coating film, at least part of the surface of the base body is plated with the Ti-doped amorphous carbon film. Compared with pure amorphous carbon films or amorphous carbon film doped with other elements, by doping the amorphous carbon film with the element Ti with a mass fraction of 6-25%, the binding force between the coating and the alloy base body can be effectively improved, and the abrasion resistance of the tool can be effectively improved so that the service life of the tool can be longer. Meanwhile, due to the fact that the amorphous carbon film is a hydrogen-free amorphous carbon film and the content of hydrogen is zero, the brittleness of the coating can be reduced so that the coating can not be peeled off or cracked easily, and then the service life of the tool is further prolonged.

Description

technical field [0001] The invention relates to the technical field of tool coating, in particular to a tool with coating and a manufacturing method thereof. Background technique [0002] Existing knives are generally produced by quenching heat treatment of alloy materials, and there are problems such as low hardness of the matrix base material, poor wear resistance, and frequent grinding. In order to improve the hardness and wear resistance of the tool, there are usually the following two methods: [0003] Method 1. Use high hardness carbide (WC, TiC, etc.) alloy powder and ceramic powder (ZrO 2 ) and other direct sintering tools to improve the hardness and wear resistance of the tool matrix itself. However, it is difficult to process the overall cutting tool by this method, the processing cost is high, and the toughness of the cutting tool is insufficient, so the probability of fracture is high. [0004] The second method is to set a layer of high hardness and high wear...

Claims

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Application Information

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IPC IPC(8): C23C14/06C23C14/22C23C14/35
Inventor 王旭亮瞿义生金伟平
Owner WUHAN SUPOR COOKWARE
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